Actress Marg Helgenberger, center, speaks as actor Ted Danson, left, and actor George Eads speak during a panel at the The Television Critics Association 2011 Summer Press Tour in Beverly Hills, Calif. on Aug. 3, 2011. Danson, Helgenberger, and Eads star in the television series "CSI: Crime Scene Investigation" on CBS.

Credit: AP Photo/Dan Steinberg

Actor Ted Danson speaks during a panel at the The Television Critics Association 2011 Summer Press Tour in Beverly Hills, Calif. on Aug. 3, 2011. Danson stars in the television series "CSI: Crime Scene Investigation" on CBS.

"CSI: Crime Scene Investigation" will return on Sept. 21, 2011, on CBS. Actor Ted Danson, center, has joined the series for its 12th season, which will air Wednesdays at 10 p.m. ET/PT.

Credit: ROBERT VOETS

Actress Poppy Montgomery, right, and actor Dylan Walsh speak during a panel at the The Television Critics Association 2011 Summer Press Tour in Beverly Hills, Calif. on Aug. 3, 2011. Montgomery and Walsh star in the television series "Unforgettable" on CBS.

Credit: AP Photo/Dan Steinberg

Actor Dylan Walsh speaks during a panel at the The Television Critics Association 2011 Summer Press Tour in Beverly Hills, Calif., on Aug. 3, 2011. Walsh stars in the television series "Unforgettable" on CBS.

Credit: AP Photo/Dan Steinberg

Actress Poppy Montgomery speaks during a panel at the The Television Critics Association 2011 Summer Press Tour in Beverly Hills, Calif., on Aug. 3, 2011. Montgomery stars in the television series "Unforgettable" on CBS.

Credit: AP Photo/Dan Steinberg

"Unforgettable" stars Poppy Montgomery as a former detective with a perfect memory. The drama will air Thursdays at 10 p.m. ET/PT on CBS.

Credit: Barbara Nitke/CBS

Actresses Kat Dennings, left, and Beth Behrs speak during the "2 Broke Girls" panel during the CBS portion of the 2011 Summer TCA Tour held at the Beverly Hilton Hotel on Aug. 3, 2011, in Beverly Hills, Calif.

Actors Kevin Dillon, left, and Dave Foley speak during the "How To Be A Gentleman" panel during the CBS portion of the 2011 Summer TCA Tour on Aug. 3, 2011, in Beverly Hills, Calif.

Credit: Frederick M. Brown/Getty Images

Actress Mary Lynn Rajskub speaks during the "How To Be A Gentleman" panel during the CBS portion of the 2011 Summer TCA Tour on Aug. 3, 2011, in Beverly Hills, Calif.

Credit: Frederick M. Brown/Getty Images

From left, creator/executive producer David Hornsby, executive producer Adam Chase and actor Kevin Dillon speak during the "How To Be A Gentleman" panel during the CBS portion of the 2011 Summer TCA Tour on Aug. 3, 2011, in Beverly Hills, Calif.

Credit: Frederick M. Brown/Getty Images

From left, actors Rhys Darby and Nancy Lenehan, creator/executive producer David Hornsby, executive producer Adam Chase and actors Kevin Dillon, Dave Foley and Mary Lynn Rajskub speak during the "How To Be A Gentleman" panel during the CBS portion of the 2011 Summer TCA Tour on Aug. 3, 2011, in Beverly Hills, Calif.

Credit: Frederick M. Brown/Getty Images

Kevin Dillon, left, and David Hornsby in a scene from CBS' "How To Be A Gentleman." The sitcom, about the unlikely friendship between a traditional, uptight columnist and an unrefined personal trainer, will air on Thursdays at 8:30 p.m. ET/PT.

Executive producer Jonathan Nolan speaks during the "Person of Interest" panel during the CBS portion of the 2011 Summer TCA Tour on Aug. 3, 2011, in Beverly Hills, Calif.

Credit: Frederick M. Brown/Getty Images

Michael Emerson, left, and James Caviezel in a scene from CBS' "Person of Interest." The drama, about a former CIA agent who teams up with a mysterious billionaire to prevent violent crimes, will premiere on Sept. 22 at 9 p.m. ET/PT.